McAdams, Mac
Current rating: 1473
Record: 1-3
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 115 | Duval, Dylan (1744) | Won 2-0 | +221522 |
| 2sealed | 241 | Collins, Chris (1618) | Lost 0-0 | -161506 |
| 3sealed | 390 | Duerr, Eric (1680) | Lost 0-2 | -151491 |
| 4sealed | 482 | Muir, Gregory (1484) | Lost 1-2 | -181473 |
| average opponent: 1632record: 1-3 | new rating: 1473 | |||